The "number 2" designation refers to the "hardness" of the lead. The higher the number, the "harder"
The "7mm" designation refers to the "thickness" of the lead. The higher the number, the thicker.
They are not the same pencil.
Lead for a mechanical pencil is typically 0.5 to 0.3 mm.
The average size of a standard pencil is approximately 175 mm in length and about 7 mm in diameter. However, there can be variations depending on the type of pencil, such as mechanical pencils or colored pencils, which may differ slightly in size. Most wooden pencils typically fall within this range.
190 mm
190mm
14
Yes it is. So is the 0.7.
Lead for a mechanical pencil is typically 0.5 to 0.3 mm.
The average size of a standard pencil is approximately 175 mm in length and about 7 mm in diameter. However, there can be variations depending on the type of pencil, such as mechanical pencils or colored pencils, which may differ slightly in size. Most wooden pencils typically fall within this range.
70.45 mm long
187 mm.
87 mm.
9.34
190 mm
190mm
14
The standard thickness of the lead core in a pencil is 0.7 mm. However, there are also pencils available with 0.5 mm, 0.9 mm, and other sizes of lead cores.
A reasonable length for a [new] pencil is 15 cm. After much [use and] sharpening, it may be reduced to a pencil [stub] only 1.5 cm = 15 mm long.